O ring manufacturing process 1.Silicone FKM FPM VITON A VITON B GF ... ... 2.High price performance ratio Product Description Item nameO ring manufacturing process MaterialSilicone,,FKM,FPM,VITON A, VITON B, GF,GFLT ... . Details Show oil and fuel resistance superb quality o ring manufacturing process HNBR FKM FPM VITON A VITON B GF GFLT ...